On 08 Apr 2020, at 22:43, Bill Cole 
<postfixlists-070...@billmail.scconsult.com> wrote:
> As a result, I reject all mail with a sender that matches 'bounce@' aimed at 
> 'b...@scconsult.com' which is an address that has been exposed for 25 years 
> in Usenet but never used for any sort of subscription or transaction. One 
> could just as easily make 'user+ama...@example.com' a member of a restriction 
> class and only accept mail for it if the client name and sender name match 
> legitimate Amazon patterns.

Ah, yes, of course. I was thinking of a single check.

I think I am going to do this for the few accounts that are actually using 
address extensions and see how it goes.

Thanks!


-- 
"If this is the best God can do, I'm not impressed.”


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